Concurrent 2.4 and 5.8 GHz dual band power amplifier for FMCW radar systems

Author

Joram, Niko ; Wolf, Robert ; Lindner, Bastian ; Ellinger, F.

Author_Institution

Dept. for Circuit Design & Network Theor., Tech. Univ. Dresden, Dresden, Germany

fYear

2014

fDate

1-4 Dec. 2014

Firstpage

279

Lastpage

282

Abstract

A concurrent dual band power amplifier (PA) for the use with frequency-modulated continuous wave (FMCW) radars is presented in this work. A method for synthesizing dual band matching networks with arbitrary frequencies is outlined. The circuit shows large 3-dB-bandwidths of 1.8-3.2 GHz and 4.8-6 GHz with maximum output powers of 18.3dBm and 14.9dBm, respectively. Power added efficiency of the whole chip including bias circuitry reaches 15.2% in the lower band and 9.5% in the upper band. The chip is implemented using an IBM 180nm SiGe BiCMOS process and its area amounts to 1.2×0.8mm².

Keywords

CW radar; FM radar; power amplifiers; FMCW radar systems; IBM BiCMOS process; bias circuitry; concurrent dual band power amplifier; dual band matching networks; frequency 2.4 GHz; frequency 5.8 GHz; frequency-modulated continuous wave radars; maximum output powers; Dual band; Impedance; Power generation; Power measurement; Radar; Silicon germanium; Transistors; MMIC Power Amplifiers; SiGe BiCMOS; chirp radar;

fLanguage

English

Publisher

ieee

Conference_Titel

Intelligent Signal Processing and Communication Systems (ISPACS), 2014 International Symposium on

Conference_Location

Kuching

Type

conf

DOI

10.1109/ISPACS.2014.7024468

Filename

7024468